// Copyright 2007-2010 Comdiv (F. Sadykov) - http://code.google.com/u/fagim.sadykov/
// Supported by Media Technology LTD 
//  
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//  
//      http://www.apache.org/licenses/LICENSE-2.0
//  
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// 
// MODIFICATIONS HAVE BEEN MADE TO THIS FILE
using System.Collections.Generic;
using System.Xml.Xsl;
using Comdiv.Extensions;
using Comdiv.IO;

namespace Comdiv.Patching{
    public class XsltPatch : DefaultPatch{
        public XsltPatch(){
            AutoLoad = true;
            ReInstallable = true;
        }

        public string XsltFile { get; set; }
        public string TargetFile { get; set; }

        public XslCompiledTransform Transformation{
            get{
                var result = new XslCompiledTransform();
                var xslt = PathResolver.Read(XsltFile).asXPathNavigable();
                result.Load(xslt, XsltSettings.TrustedXslt, new FilePathXmlResolver(PathResolver));
                return result;
            }
        }

        public override IList<IPackageInstallTask> Tasks{
            get{
                if (base.Tasks.Count == 0){
                    base.Tasks.Add(new XsltTask(Transformation, TargetFile));
                }
                return base.Tasks;
            }
        }
    }
}